Ultrafast transition between exciton phases in van der Waals heterostructures

@article{Merkl2019UltrafastTB,
  title={Ultrafast transition between exciton phases in van der Waals heterostructures},
  author={P. Merkl and F. Mooshammer and P. Steinleitner and A. Girnghuber and K. Lin and P. Nagler and J. Holler and C. Sch{\"u}ller and J. Lupton and T. Korn and S. Ovesen and S. Brem and E. Malic and R. Huber},
  journal={Nature Materials},
  year={2019},
  volume={18},
  pages={691-696}
}
Heterostructures of atomically thin van der Waals bonded monolayers have opened a unique platform to engineer Coulomb correlations, shaping excitonic1–3, Mott insulating4 or superconducting phases5,6. In transition metal dichalcogenide heterostructures7, electrons and holes residing in different monolayers can bind into spatially indirect excitons1,3,8–11 with a strong potential for optoelectronics11,12, valleytronics1,3,13, Bose condensation14, superfluidity14,15 and moiré-induced nanodot… Expand
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